Toboggan



(No Mod1. 1

S. AINSWORTH.

TOB'OGGAN.

Patented Apr. 6, 1886.

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SEYMOUR AINSWORTH, OF SARATOGA SPRINGS, NEW* YORK..

TOBOGGAN.

SPECIFICATION forming part of Letters Patent No. 339,512, dated April 6,1886. Application iilcd January 22, 1886. Serial No. 189,397. (Nomodel.)

To all whom it may concern.-

Be it known that I, SEYMOUR AINswoR'rH, of the village of SaratogaSprings, county of Saratoga, and State of New York, have inventedcertain new and useful Improvements in Toboggans or rloboggan-Sleighs,of which the following-is a specification.

My invention consists of a skeleton toboggan-sleigh of which the frameis formed of runners or rods, which may be fashioned either round,conical, wedge-shaped, or square, disposed parallel with each other andfastened together with suitable cross-beams, such crossbeams being madein two sections, as shown upon the accompanying drawings, 'and attachedtogether and to the runners or rods with screws, clamps, rivets, orother suitable holdfasts, so as not to penetrate to the lower surface ofthe runners or rods. Over the up per side of the runners canvas, paper,felt, or other suitable material is extended, passing between the twosections of the cross-heams, and fastened to the beams and runners withnails, tacks, screws, rivets, clamps, or in some other suitable manner.The ends of the runners in front are bent upward and backward andmortised into a cross-rod, and fastened and held in place with gut,wire, string, or in some other suitable manner, thus forming the nose ofthe toboggan in the usual shape.

Hand-rails are provided on each lateral edge of the toboggan, fastenedto the cross-beams by means of a metal bracket, or with wire, gut, cord,or in some other suitable manner.

Referring to the accompanying drawings, Figure l represents a sideelevation of my toboggan. c c are the cross-beams, in two sections, thelower section let down the full size into the runner b, as indicated; c,the handrail supported by brackets d d,- e, the front crossrod, intowhich the ends of the runners are mortised; f, the fastening holding thenose in place.

Fig. 2 represents a plan of my toboggan, the corresponding parts beingindicated by the same letters as in Fig. l. g in Fig. 2 represents thecanvas or other covering used.

Fig. 3 represents a sectional View taken on the line A B, indicated onFig. 2. Fig. 4 is au enlarged portion of Fig. 1.

In both Figs. 3 and 4 the corresponding parts shown are indicated by thesame letters used in Figs. l and 2.

The object of my invention is to provide a toboggan-sleigh which shallbe much lighter than anything heretoforeknown, much stronger than theordinary toboggan, and in which the frictional surface is reduced to thesmallest possible limit, thus enhancing its speed when used. I avoid anyscrews or rivets, screw-holes or rivet-holes, eountersinks, or any otherprojection or indentation in the bearing-surface of the runner, (i. e.,that portion coming in contact with the ice or other sliding surfacewhen in use,) which would tend to retard its progress by increasing thefriction. The shape of the runner and the absence of irregularities inits surface make it possible to polish it more easily and more highly,and make the runner less liable to check, split, or warp. The cost ofmanufae ture will be less than that of the ordinary toboggan, and any ofits parts, if broken or injured, can be easily replaced. Between therunners, on the under side, channels are thus "formed, through which,when the toboggan is in motion, any light snow or shivered fragments ofice covering the solid ice surface of the chute or runway will be drawnby the draft created by the motion of the toboggan, and will not fly upin front and in the faces of the persons sliding and incnvenieuce them;also, the resistance of the air to the front of the toboggan will bethus greatly diminished, all of which will tend to increase theswiftness of the toboggan, and the material covering the inner surfacewill prevent loose snow from coming through on the clothing as it doeson the common slat toboggan.

The lightness of this toboggan makes it possible to carry it easily overplaces where it would be difficult to drag an ordinary toboggan.

I claiml. A skeleton toboggansleigh constructed with round, oval,square, r wedge-shaped runners disposed parallel with each other, andfastened together at right angles with crossbeanis made in two sections,and with canvas, paper, felt, or other suitable material extending oversaid runners and passing between the sections of the cross-beams andproperly IOO fastened, substantially as specified above, and shown onthe accompanying drawings.

2. The combination in a toboggan or tobog- ,A gan-s1eigh, of rnnnerys,cross-beams made in SEYMOUR AINSVVORTH' 5 two sections, and canvas,paper, felt, or other "Witnesses:

DAVIS COLEMAN, G. W. BLODGET.

specified, and shown in the accompanying drawings.

suitable material extended over and between them, forming a skeletontoboggan-sleigh, as

